also: ひフか · ヒフか
dermatology
Refers to the medical specialty or the department in a hospital/clinic.
I had an allergy test at the dermatology department.
She is aiming to become a dermatologist.
A rash appeared on my arm, so I went to the dermatologist.
My eczema got worse, so I saw a doctor in dermatology.
dermatologist
Standard kanji spelling; the most common written form.
Mixed kanji-katakana spelling, sometimes used in medical signage or simplified writing.
Mixed kanji-hiragana spelling, occasionally seen in patient-facing materials.
Katakana-kanji spelling; rare, mostly found in older signage or stylized contexts.
Compound of 皮膚 (hifu, 'skin') + 科 (ka, 'department, specialty').